The Bracket,angle, cataloged under National Stock Number 5340-01-360-3129, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Div Rms. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-360-3129 |
| Primary Part Number | 1220D0578-4 |
| Item Name | Bracket,angle |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| First Leg Angle | 90.0 DEGREES NOMINAL |
| Second Leg Relationship to First Leg | NOT IDENTICAL |
| Second Leg Hole Diameter | 0.127 INCHES MINIMUM AND 0.132 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-C-5541 CL 3 MIL SPEC SINGLE TREATMENT RESPONSE |
| Second Leg Length | 0.650 INCHES NOMINAL IN |
| First Leg Hole Arrangement Style | NO HOLE |
| First Leg End Width | 0.115 INCHES NOMINAL IN |
| Style Designator | ANGLE |
| First Leg Style | CORNER RADIUS W/ TONGUE |
| Material Document and Classification | QQ-A-250/8 H32 FED SPEC SINGLE MATERIAL RESPONSE |
| Second Leg Thickness | 0.063 INCHES NOMINAL IN |
| First Leg Thickness | 0.063 INCHES NOMINAL IN |
| First Leg Length | 0.540 INCHES MINIMUM AND 0.560 INCHES MAXIMUM IN |
| First Leg Width | 4.503 INCHES NOMINAL IN |
| Surface Treatment | CHROMATE |
| Material | ALUMINUM ALLOY 5052 |
| Second Leg Hole Arrangement Style | TWO HOLES |
| Second Leg Distance Between Hole Centers Along Width | 5.363 INCHES NOMINAL IN |
| Mounting Hole Type | PLAIN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 1220D0578-4 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 1220D0578-4 | 5/9 Secondary reference Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems |
NSN 5340-01-360-3129 is a Bracket,angle, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-360-3129 has 1 manufacturer part number on file: 1220D0578-4 (Lockheed Martin Corporation Div Rms).
Key specifications for 1220D0578-4: First Leg Angle: 90.0 DEGREES NOMINAL; Second Leg Relationship to First Leg: NOT IDENTICAL; Second Leg Hole Diameter: 0.127 INCHES MINIMUM AND 0.132 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-C-5541 CL 3 MIL SPEC SINGLE TREATMENT RESPONSE. 19 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.